We took a closer look at the “Waveshare SIM7070G Cat-M/NB-IoT/GPRS HAT” for the Raspberry Pi and put it into operation. We uncovered various pitfalls and describe below how we set up the NB-IoT modem to connect one of our #AMPS nodes to the internet.

• Hardware:
  • Raspberry Pi 4 B
  • Mobilfunk-HAT: Waveshare SIM7070G Cat-M/NB-IoT/GPRS HAT
  • SIM-Karte: Telekom M2M
• Software: Raspbian 12 “Bookworm”